| ELYTRON | Each of two wing cases of a beetle (7) |
| WREN | Architect of two wings? |
| HORN | A musical wind instrument fashioned from brass or a conch; an antenna of a beetle; an antler of a deer; a tentacle of a snail; a tip of a crescent; or, a symbol of a cuckold (4) |
| ISOTOPE | Each of two or more forms of a chemical element whose nuclei contain equal numbers of protons but different numbers of neutrons (7) |
| DILEMMA | A predicament in which each of two alternative options is undesirable (7) |
| FIREDOG | Each of two metal supports for logs in a grate (7) |
| BEETLES | Insects with hard wing cases (7) |
| BIPLANE | Aircraft with two wings in box A (7) |
| HOMONYM | Each of two words spelled the same but of different meaning |
| UTERQUE | Each (of two), one and the other |
| SHARD | Archaically, a boundary water; dialectically, a gap; vernacularly, a broken piece, crock or scrap of pottery; or, zoologically, from a misunderstanding of Shakespeare, a beetle's elytron or wing case |
| ATTABOY | Encouragement to strike raised in case of a trifle (7) |
| TEMPEST | Trial involving politician ending in case of a violent disturbance (7) |
| KNEECAP | Leg-covering for horses used as protection in case of a fall (7) |
| HOLSTER | The case of a sheriff perhaps (7) |
| ANOMALY | Special case of a number reduced by 50 within month |
| ATTACHE | Case of a horse being nobbled by racing expert |
| SHEATH | A scabbard/holster for a sword or a blade; a figure-hugging dress; one of an insect's wing cases or elytra; or, an electric cable's protective casing (6) |
| SCARAB | A dung-beetle, or a gem cast in the form of a beetle (6) |
| PRONG | One of the tines of a fork; or, by extension, each of two or three parts of an attack or operation (5) |
